Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Income (loss) Before Income Tax from Continuing Operations

The Company’s income (loss) before income tax from continuing operations consists of:

	For the year ended December 31,
	2018			2017			2016
Non-PRC	$	(16,308	)	$	(3,123	)	$	(5,323	)
PRC		62,891			48,167			4,929
Total	$	46,583		$	45,044		$	(394	)

Schedule of Income (loss) Before Income Tax from Discontinued Operations

The Company’s income (loss) before income tax from discontinued operations consists of:

	For the year ended December 31,
	2018		2017		2016
Non-PRC	$	—	$	—	$	—
PRC		—		—		2,338
Total	$	—	$	—	$	2,338

Schedule of Income Taxes Attributed to Continuing Operations

Income taxes attributed to the continuing operations in China consist of:

	For the year ended December 31,
	2018			2017			2016
Current income tax expenses	$	(7,326	)	$	(13,260	)	$	(3,671	)
Deferred tax benefits		(3,146	)		4,921			1,007
Total income tax expense	$	(10,472	)	$	(8,339	)	$	(2,664	)

Schedule of Income from Continuing Operations Before Income Taxes

The following is a reconciliation of the Company’s total income tax expenses to the amount computed by applying the PRC statutory income tax rate of 25% to its income from continuing operations before income taxes for the years ended December 31, 2018, 2017 and 2016:

	For the year ended December 31,
	2018			2017			2016
Income (loss) from continuing operations before income taxes	$	46,583		$	45,044		$	(394	)
Income tax benefit (expense) at the PRC statutory rate		(11,646	)		(11,261	)		99
International tax rate differential		(3,929	)		(781	)		(1,331	)
Super deduction for research and development expenses		1,835			1,257			461
Non-deductible expenses		(1,865	)		(577	)		(1,141	)
Other adjustments		14			(5	)		89
Effect of preferential tax rate		6,562			5,406			1,635
Change in valuation allowance		(1,429	)		(2,309	)		(2,430	)
Effect of PRC withholding tax		(14	)		(69	)		(59	)
Effect of prior year adjustment and restatement		—			—			13
Income tax expense	$	(10,472	)	$	(8,339	)	$	(2,664	)

Schedule Company's Deferred Tax Assets

The tax effects of temporary differences from continuing operations that give rise to the Company’s deferred tax assets are as follows:

	December 31,
	2018			2017
Inventories		355			275
Accrued expenses		3,761			8,483
Deferred government grants		1,066			684
Fixed assets		3,115			3,484
Tax losses carried forward		5,212			6,375
Less: valuation allowance		(7,711	)		(9,981	)
Deferred tax assets	$	5,798		$	9,320

Schedule of Changes in Unrecognized Tax Benefits

The changes in unrecognized tax benefits are as follows:

	For the year ended December 31,
	2018			2017			2016
Balance at January 1		1,873			1,842			2,027
Additions for tax positions of the current year		7			271			183
Additions for tax positions of the prior years		—			—			—
Settlement with the taxing authority		—			—			—
Lapse of statute of limitations		(199	)		(240	)		(368	)
Balance at December 31	$	1,681		$	1,873		$	1,842